The 6.6L Duramax diesel engine is well regarded in the truck community, but what is considered high mileage for one? Here's a safe estimation.

Chevrolet offers a choice for the Silverado powertrain: Either the 6.6 L8T gas engine, or the 6.6 Duramax - both of which offer potent towing capacity.

The 6.6 Duramax is one of the most powerful engines for heavy-duty trucks like the Chevy Silverado and GMC Sierra, but how many miles per gallon does it get?

Complete information, specs, power and torque ratings on GM's 6.6L L5P V8 Turbo Diesel Duramax engine used in the Chevy Silverado HD and GMC Sierra HD.

The Chevy Camaro seems to be falling out of favor with muscle car enthusiasts. Swapping in a diesel engine seems like the last thing you can do, but there's nothing like adding a 6.6-liter Duramax ...

A pair of slick diesel builds are pumping out nearly 1000 lb-ft of torque.

GM announced that the updated 6.6-liter Duramax V-8 diesel for the 2011 Chevrolet Silverado and GMC Sierra HD pickups will make 397 hp (at 3,000 rpm) and a mind-blowing 765 pounds-feet of torque ...

The wait is over and the anticipation is now satisfied – GM has officially debuted its heavily revised 6.6-liter Duramax V-8 turbodiesel. Actually, “heavily revised” might be an understatement.